Sciweavers

2536 search results - page 2 / 508
» Gravitation-based model for information retrieval
Sort
View
SIGIR
2010
ACM
13 years 9 months ago
Improving sentence retrieval with an importance prior
The retrieval of sentences is a core task within Information Retrieval. In this poster we employ a Language Model that incorporates a prior which encodes the importance of sentenc...
Leif Azzopardi, Ronald T. Fernández, David ...
SIGIR
2010
ACM
13 years 9 months ago
Estimation of statistical translation models based on mutual information for ad hoc information retrieval
As a principled approach to capturing semantic relations of words in information retrieval, statistical translation models have been shown to outperform simple document language m...
Maryam Karimzadehgan, ChengXiang Zhai
ICTIR
2009
Springer
13 years 3 months ago
Prior Information and the Determination of Event Spaces in Probabilistic Information Retrieval Models
Abstract. A mismatch between differenteventspaceshasbeen used toargue against rank equivalence of classic probabilistic models of information retrieval and language models. We ques...
Corrado Boscarino, Arjen P. de Vries
IJIS
2007
73views more  IJIS 2007»
13 years 5 months ago
A model of an information retrieval system with unbalanced fuzzy linguistic information
Enrique Herrera-Viedma, Antonio Gabriel Lóp...